frv: Use KERNELRELEASE

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/arch/frv/boot/Makefile b/arch/frv/boot/Makefile
index d75e0d7..5dfc93f 100644
--- a/arch/frv/boot/Makefile
+++ b/arch/frv/boot/Makefile
@@ -57,10 +57,10 @@
 # installation
 #
 install: $(CONFIGURE) Image
-	sh ./install.sh $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) Image $(TOPDIR)/System.map "$(INSTALL_PATH)"
+	sh ./install.sh $(KERNELRELEASE) Image $(TOPDIR)/System.map "$(INSTALL_PATH)"
 
 zinstall: $(CONFIGURE) zImage
-	sh ./install.sh $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) zImage $(TOPDIR)/System.map "$(INSTALL_PATH)"
+	sh ./install.sh $(KERNELRELEASE) zImage $(TOPDIR)/System.map "$(INSTALL_PATH)"
 
 #
 # miscellany